diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 8f44dc03267..9e5e1241ac5 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -16003,7 +16003,7 @@ in
   libpwquality = callPackage ../development/libraries/libpwquality { };
 
   libqalculate = callPackage ../development/libraries/libqalculate {
-    readline = readline80;
+    readline = readline81;
   };
 
   libqt5pas = libsForQt5.callPackage ../development/compilers/fpc/libqt5pas.nix { };